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Old 12-28-2010, 04:59 AM
  #1201  
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Originally Posted by choisan
GRP is already out of business. suggest to change to other brand.
Did I miss something?

So far I know GRP is still up and running
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Old 12-28-2010, 05:55 AM
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Originally Posted by STRIPY
Has anyone had any problem with GRP rear tyre touching rear body post?
Instruction says 2.6mm gap on pivot but i wide it out till 5mm but still touching.

Thanks
You have to shave 1-2mm off of the rear of the tire. I do it on the truer. KEEP YOUR FINGERS OUT OF IT! I did a one run test with these tires and they were consistantly .5 to 1 second slower. They durometer higher than what is listed on the box as well. I would sugguest anything from Enneti (SRC, Italian Exeed etc...), Kawahara or Contact. The Matrix stuff is a good bang for the buck. I have not ran there new carbon stuff..
I like the Enneti's so much I sleep with them.
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Old 12-28-2010, 06:05 AM
  #1203  
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Originally Posted by MugenDrew
You have to shave 1-2mm off of the rear of the tire. I do it on the truer. KEEP YOUR FINGERS OUT OF IT! I did a one run test with these tires and they were consistantly .5 to 1 second slower. They durometer higher than what is listed on the box as well. I would sugguest anything from Enneti (SRC, Italian Exeed etc...), Kawahara or Contact. The Matrix stuff is a good bang for the buck. I have not ran there new carbon stuff..
I like the Enneti's so much I sleep with them.
The grp widen the trackwidth a bit. I ran the ennetti in Miami did not like the at all I ran some exceed lite weight from Italy they were awesome.
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Old 12-28-2010, 06:26 AM
  #1204  
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Originally Posted by MugenDrew
I did a one run test with these tires and they were consistantly .5 to 1 second slower.
Hmmm.... I do think this is true, if a tire is that slow then it would not sell. I have runned these tires last season and I must say they are very good.
I can imagine that on some tracks there is a slower and a faster tire but not that much.
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Old 12-28-2010, 07:12 AM
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CSO Release new product again !
Attached Thumbnails MUGEN SEIKI MRX5-cso-mrx-5002.jpg   MUGEN SEIKI MRX5-cso-mrx-5025.jpg   MUGEN SEIKI MRX5-cso-mrx-5027.jpg   MUGEN SEIKI MRX5-cso-mrx-5029.jpg   MUGEN SEIKI MRX5-cso-mrx-5029b-1.jpg  

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Old 12-28-2010, 07:17 AM
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KM New product for MRX5
Attached Thumbnails MUGEN SEIKI MRX5-km-kmrx5-024.jpg  
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Old 12-28-2010, 07:26 AM
  #1207  
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Originally Posted by Roelof
Did I miss something?

So far I know GRP is still up and running
this is what i was told from my 2 local distributors of different brands and one of them was used to be a local distributor of grp, a very trustable source.
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Old 12-28-2010, 07:59 AM
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Originally Posted by RC MARKET
CSO Release new product again !
rc market please read your pm!!!
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Old 12-28-2010, 08:07 AM
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Originally Posted by STRIPY
Has anyone had any problem with GRP rear tyre touching rear body post?
Instruction says 2.6mm gap on pivot but i wide it out till 5mm but still touching.

Thanks
the grp rear are 3mm wider then 95% of the other brands 3mm overall and 1.5 on the offset if u choose to run them like drew said shave off 1-2mm on the inside but your rear track with will be 3mm overall wider if u run 263 it will become 266 now we done alot of testing and if u need more rear grip it is a good choice to slap them on but set your rear with normal tires to 263 then just shave the grp and slap them on dont change the settings it works best that way.... but i just read they might b out of bizz so i guess if it true u need another brand i have tried 10 diff brands on the 5 the best i have felt is with xceeds light and reg,,,
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Old 12-28-2010, 08:08 AM
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Originally Posted by choisan
this is what i was told from my 2 local distributors of different brands and one of them was used to be a local distributor of grp, a very trustable source.
I talk to GRP on the 19th of this month and they were still open then.
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Old 12-28-2010, 01:48 PM
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Has anyone had any problem with GRP rear tyre touching rear body post?
Instruction says 2.6mm gap on pivot but i wide it out till 5mm but still touching.

Thanks[/QUOTE]

Are you using the 63mm rear tyre. If so that may be why they are touching on the inside of the wheel. I know that if you used them on the MRX4X you had to modify the car for them to fit and assume that will be the same with the MRX5. If you dont want to modify the car you will need to change back to the standard 60mm width rear tyre that will fit perfectly.

Regards Andrew
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Old 12-28-2010, 05:20 PM
  #1212  
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[QUOTE=YLLIB;8400385]I talk to GRP on the 19th of this month and they were still open then.[/QUOTEthanks for the update. maybe they dont want to sell.
anyway, happy new year!
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Old 12-28-2010, 05:31 PM
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As far as I know, GRP is still in business. You may have been told that because a lot of distributors don't seem to like dealing with them.

The tires work very well. On the 4 all I did was move one of the scrub spacers on the rear axles from the inside to the outside of the axle. Not sure about the 5.
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Old 12-28-2010, 07:20 PM
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Actually they said the tire factory has issue after they got burnt down,.......they still work on insurance,..........
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Old 12-28-2010, 08:10 PM
  #1215  
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Originally Posted by wingracer
As far as I know, GRP is still in business. You may have been told that because a lot of distributors don't seem to like dealing with them.

The tires work very well. On the 4 all I did was move one of the scrub spacers on the rear axles from the inside to the outside of the axle. Not sure about the 5.
Do you mean adding shims just before the pin that holds the tires?
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